Milwaukee Digital Salinity Refractometer

Thousands of saltwater aquarium enthusiasts have dialed in the analysis with Milwaukee's salinity refractometer. No more visual readings. Get a digital readout within seconds accurate to ±2 ppt with automatic temperature compensation (ATC).

WHAT PEOPLE ARE SAYING

"This is a terrific addition and you'll want a digital refractometer if you spend any time at all with saltwater aquariums. Highly recommended."

"This is a must for any even remotely serious reef tank hobbyist."

"All I can say is WOW! I should have had this sooner."

DESIGN FEATURES

• Fast, accurate results with digital dual level LED readout
• Easy measurement with just 2-3 drops of sample needed and results less than 2 seconds
• Automatically temperature compensated
• Simple one-point calibration using distilled or deionized water
• Easy to clean, stainless steel sample well with unit rated to IP65 as "dust tight" and protected against water jets
• Battery percent level indicator with automatic shut-off (batteries included)

SPECIFICATIONS

• Range: 0 to 50 PSU: 0 to 150 ppt | 1.000 to 1.114 S.G. (20/20) | 0 to 80°C / 32 to 175°F
• Resolution: 1 PSU | 1 ppt | 0.001 S.G. (20/20) | 0.1°C / 0.1°F
• Accuracy: ±2 PSU | ±2 ppt | ±0.002 S.G. (20/20) | ±0.3°C / ±0.5°F
• Light Source: Yellow LED
• Measurements Time: Approximately 1.5 seconds
• Minimum Sample Volume 100 µL (cover prism totally)
• Sample Cell Stainless steel ring and flint glass prism
• Temperature Compensation: Automatic between 10 and 40°C / 50 to 104°F
• Case Material: ABS
• Battery: Type 1 x 9V AA (included)
• Battery Life: 5000 readings
• Auto-shut off: After 3 minutes of non-use
• Enclosure Rating: IP65
• Dimensions 7.6 x 4 x 2.6 inches
• Weight: 14.8 ounces